diff options
Diffstat (limited to 'arch/arm/include/asm/termios.h')
-rw-r--r-- | arch/arm/include/asm/termios.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/arch/arm/include/asm/termios.h b/arch/arm/include/asm/termios.h new file mode 100644 index 000000000000..293e3f1bc3f2 --- /dev/null +++ b/arch/arm/include/asm/termios.h | |||
@@ -0,0 +1,92 @@ | |||
1 | #ifndef __ASM_ARM_TERMIOS_H | ||
2 | #define __ASM_ARM_TERMIOS_H | ||
3 | |||
4 | #include <asm/termbits.h> | ||
5 | #include <asm/ioctls.h> | ||
6 | |||
7 | struct winsize { | ||
8 | unsigned short ws_row; | ||
9 | unsigned short ws_col; | ||
10 | unsigned short ws_xpixel; | ||
11 | unsigned short ws_ypixel; | ||
12 | }; | ||
13 | |||
14 | #define NCC 8 | ||
15 | struct termio { | ||
16 | unsigned short c_iflag; /* input mode flags */ | ||
17 | unsigned short c_oflag; /* output mode flags */ | ||
18 | unsigned short c_cflag; /* control mode flags */ | ||
19 | unsigned short c_lflag; /* local mode flags */ | ||
20 | unsigned char c_line; /* line discipline */ | ||
21 | unsigned char c_cc[NCC]; /* control characters */ | ||
22 | }; | ||
23 | |||
24 | #ifdef __KERNEL__ | ||
25 | /* intr=^C quit=^| erase=del kill=^U | ||
26 | eof=^D vtime=\0 vmin=\1 sxtc=\0 | ||
27 | start=^Q stop=^S susp=^Z eol=\0 | ||
28 | reprint=^R discard=^U werase=^W lnext=^V | ||
29 | eol2=\0 | ||
30 | */ | ||
31 | #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" | ||
32 | #endif | ||
33 | |||
34 | /* modem lines */ | ||
35 | #define TIOCM_LE 0x001 | ||
36 | #define TIOCM_DTR 0x002 | ||
37 | #define TIOCM_RTS 0x004 | ||
38 | #define TIOCM_ST 0x008 | ||
39 | #define TIOCM_SR 0x010 | ||
40 | #define TIOCM_CTS 0x020 | ||
41 | #define TIOCM_CAR 0x040 | ||
42 | #define TIOCM_RNG 0x080 | ||
43 | #define TIOCM_DSR 0x100 | ||
44 | #define TIOCM_CD TIOCM_CAR | ||
45 | #define TIOCM_RI TIOCM_RNG | ||
46 | #define TIOCM_OUT1 0x2000 | ||
47 | #define TIOCM_OUT2 0x4000 | ||
48 | #define TIOCM_LOOP 0x8000 | ||
49 | |||
50 | /* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ | ||
51 | |||
52 | #ifdef __KERNEL__ | ||
53 | |||
54 | /* | ||
55 | * Translate a "termio" structure into a "termios". Ugh. | ||
56 | */ | ||
57 | #define SET_LOW_TERMIOS_BITS(termios, termio, x) { \ | ||
58 | unsigned short __tmp; \ | ||
59 | get_user(__tmp,&(termio)->x); \ | ||
60 | *(unsigned short *) &(termios)->x = __tmp; \ | ||
61 | } | ||
62 | |||
63 | #define user_termio_to_kernel_termios(termios, termio) \ | ||
64 | ({ \ | ||
65 | SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \ | ||
66 | SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \ | ||
67 | SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \ | ||
68 | SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \ | ||
69 | copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \ | ||
70 | }) | ||
71 | |||
72 | /* | ||
73 | * Translate a "termios" structure into a "termio". Ugh. | ||
74 | */ | ||
75 | #define kernel_termios_to_user_termio(termio, termios) \ | ||
76 | ({ \ | ||
77 | put_user((termios)->c_iflag, &(termio)->c_iflag); \ | ||
78 | put_user((termios)->c_oflag, &(termio)->c_oflag); \ | ||
79 | put_user((termios)->c_cflag, &(termio)->c_cflag); \ | ||
80 | put_user((termios)->c_lflag, &(termio)->c_lflag); \ | ||
81 | put_user((termios)->c_line, &(termio)->c_line); \ | ||
82 | copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \ | ||
83 | }) | ||
84 | |||
85 | #define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2)) | ||
86 | #define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2)) | ||
87 | #define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios)) | ||
88 | #define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios)) | ||
89 | |||
90 | #endif /* __KERNEL__ */ | ||
91 | |||
92 | #endif /* __ASM_ARM_TERMIOS_H */ | ||